NDLI: Dc micro grid protection with the z-source breaker

Content Provider	IEEE Xplore Digital Library
Author	Corzine, K.
Copyright Year	2013
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Clemson Univ., Clemson, SC, USA (Corzine, K.)
Abstract	Many components of a modern micro grid operate using a dc interface including solar panels, fuel cells, and battery energy storage. For this reason, a dc micro grid has been suggested and utilized in some power systems. With the absence of a zero-crossing in the current waveform, the dc breaker faces a unique challenge in that there is no natural method of extinguishing an arc that occurs during breaker operation. This is handled in practice by using over-sized ac breakers, using a solid-state breaker, or using a hybrid solid-state/mechanical breaker. A recently introduced z-source breaker is a unique form of the solid-state breaker that automatically reacts in real-time to system faults; not requiring the typical fault sensing and detection. It has the ability to clear the fault within microseconds. Furthermore, the source will not experience the fault current. In this paper, the theory behind the z-source breaker is reviewed and the breaker is studied in the context of several micro grid topological arrangements using non-real-time and real-time simulation.
Sponsorship	IEEE Ind. Electron. Soc.
Starting Page	2197
Ending Page	2204
File Size	1144408
Page Count	8
File Format	PDF
ISBN	9781479902248
ISSN	1553572X
DOI	10.1109/IECON.2013.6699472
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-11-10
Publisher Place	Austria
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Thyristors Inductors Circuit faults Capacitors Capacitance Transient analysis Inductance thyristor circuits Power grid smart grids power system faults circuit breakers
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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